Chart js tooltip cut off by canvas. What type of charts can you make with Chart.

Chart js tooltip cut off by canvas. fillText(Math. I had a look around but cant find any way out. Jun 14, 2025 · Open source HTML5 Charts for your websiteconst config = { type: 'bar', data: data, options: { indexAxis: 'y', // Elements options apply to all of the options unless Dec 13, 2017 · Discover solutions for text wrapping and responsive design labels in Chart. I want to display different tool-tip on different points on mouse hover. y + 5); But I don't wat the value to be overlapped with the bar. In this article, we'll explore how to create a basic interactive chart using the HTML Canvas API. A common example would be to stroke all the bars in a bar chart with the same colour but change the fill per dataset. I have a Chartjs line chart and the tooltips don't display when I use a canvas size of width="275" and height="80". options: Oct 25, 2021 · As data increase overflow section of Tooltip is hidden from canvas. How I can fix this behavior? toolTip object lets user set behaviour of toolTip at global level like enabling/disabling animation, setting Border Color, sharing toolTip between multiple dataSeries, etc. tooltip namespace to independently configure the tooltip interactions. That workaround involves a significant chunk of code for each chart just to render a tooltip outside the canvas (not to mention directly messing with the DOM, which is frowned upon in an Angular app). For an html legend to work you need to place an empty div at your web page with the ID you provide in the options to bind to like so: <div id="legend-container"></div>. You can access them either via get method or dot notation. Jun 14, 2025 · Open source HTML5 Charts for your websitefunction colorize (opaque, hover, ctx) { const v = ctx. Sep 25, 2024 · Styling Tooltips: Target the . I have the same problem with my line chart. I have found several solutions to hide tooltips, or set them all to be always displayed, but none of them seem to work as I would like. Is this a bug or is there some way of defining the amount of padding around the chart? Find the best Chartjs How To Display Tooltip Without Hovering Pie Chart With Chart Js, Find your favorite catalogs from the brands you love at fresh-catalog. js data visualization with a couple of charts from scratch: Build a new application with Chart. Default true Defined in types/index. I could pull text little down as: ctx. js tooltips are used to provide additional information about data points when a user hovers over them. enabled: false We use the tooltips opacity state to show or hide our custom tooltip. Nov 10, 2023 · In order to sync tooltip based on nearest x-values, you can find the nearest x-values and show tooltip on the other charts using showAt method of toolTip. I have also tried with following options layout: { margin: { top: 5 } }, and axisY:{ viewportMaximum: 130 }, But, none of these seems to Jun 14, 2025 · Open source HTML5 Charts for your websitePosition This sample shows how to use the tooltip position mode setting. tooltip object in the chart configuration. The code const optionsTo Jun 8, 2017 · At the moment the tooltip is placed after the chart in the DOM. defaults Defined in types/index. _model. js, along with understanding their basic implementation through the examples. Jun 14, 2025 · Alignment and Title Position This sample show how to configure the alignment and title position of the chart legend. org Dec 21, 2016 · I have seen a few posts about the issue of tooltips being cut off by the containers - example: is there any official or generally accepted fix for this? In this video, we tackle a common issue faced by developers using Chart. Sep 28, 2023 · We can make creating charts on a web page easy with Chart. Jun 14, 2025 · Radar Chart A radar chart is a way of showing multiple data points and the variation between them. Default: auto Sep 12, 2018 · I have some custom tooltips that will display a PNG graphic within it based on the name of the data in the custom tooltip. Normally this is solved by adding the tooltip to the end of the document body so it will lay over Jun 14, 2025 · By default, these options apply to both the hover and tooltip interactions. tooltipenabled = false; You can see all the code here of the cha Jun 14, 2025 · Legend The chart legend displays data about the datasets that are appearing on the chart. js In a new folder, create the package. I tried to find the attribute that would helped me to dynamically calculate cutting off or adding ellipsis for these labels, but I can't. hover namespace, in which case they will only affect the hover interaction. js itself or integrating external libraries like Numeral. months ( {count: 7 fullSize • fullSize: boolean Marks that this box should take the full width/height of the canvas (moving other boxes). title. (I tried to move them but I only found the option position: 'nearest'. animations. You can add content to be displayed in toolTip using toolTipContent. We turn off canvas tooltips. chart. Jan 10, 2020 · Expected Behavior Tooltip should be over centered text. By using console. When I hover over the chart, a tooltip is displayed with a caret that always stays in the left or right side Mar 27, 2015 · At this point in time, it's not possible to add line breaks to a tooltip or axis label. I don't want this. Jun 14, 2025 · Open source HTML5 Charts for your websiteconst DATA_COUNT = 7; const NUMBER_CFG = {count: DATA_COUNT, min: -100, max: 100}; const labels = Utils. Tutorial on Formatting Date Time values in Chart using various features that CanvasJS comes with. Apr 20, 2016 · I'm making a homepage using, Bootstrap, JQuery and Chart. Dec 27, 2020 · If you need jsfiddle Here, the value of second barchart is 120 and it is being cut off. Often, it is used to show trend data, or the comparison of two data sets. We'll build a Chart. Here is the list of the tooltip config options: Sep 10, 2014 · When using tooltips, the right most point's tooltip seems to be cut off. log (tooltipItems), as suggested, I was able to get the info I required. Jun 12, 2017 · I'm currently using chartjs (chartjs). Hier is my code var myPieChart = new Chart (ctx, { type: 'pie', data: data, options: Apr 16, 2019 · Is there a way to force the tooltip to stay inside the canvas? right now if the window is too small, the pop up is not visible. Open source HTML5 Charts for your websitelabelPointStyle labelPointStyle (this, tooltipItem): void | { pointStyle: PointStyle ; rotation: number } Parameters Jun 14, 2025 · Open source HTML5 Charts for your websiteElements While chart types provide settings to configure the styling of each dataset, you sometimes want to style all datasets the same way. js If you see in fiddle, you will notice that value which is top on bar is not properly displayed in some cases (goes outside the canvas) While research I came across this link how to display data values on Chart. js, we need to address the issue of tooltips not displaying the labels correctly. tooltip, the global options for the chart tooltips is defined in Chart. Dec 28, 2020 · Chart JS value are being cut off at the top This topic has 1 reply, 2 voices, and was last updated 4 years, 5 months ago by Vishwas R. After implementing the trick to wrap labels in Chart. tooltips properties. Tooltip’s border color will be same as that of dataPoint or dataSeries (which can be customized if required). I'm quite new to javascript so it wasn't obvious to me from the Chart. js provides various ways to customize the number formats in tooltips, axis labels, and data points, such as using callbacks within Chart. json file with Mar 27, 2019 · In introducing a custom tooltip element, you will come across a common error: the tooltip will be cut off by the edge of the chart. Mar 14, 2019 · I'm happy to answer questions if someone wants to implement such a plugin. js: the tooltip cut-off problem when tooltips extend beyond the canvas boundaries. js tooltips, improving user interaction with your charts. Aug 29, 2016 · Since you are using the legacy Chart. defaults. canvasjs-chart-tooltip class in your CSS file, which allows application of custom CSS styling to your tooltip. ts:1133 Apr 25, 2017 · 3 Thanks to Tuhin for his answer. By default Chart. Jun 14, 2025 · Step-by-step guide Follow this guide to get familiar with all major concepts of Chart. But the tooltip is di Aug 2, 2021 · As you can see my bars are not covering the entire width of the label 'column'. Please refer to chart options for complete list of properties available. js: chart types and elements, datasets, customization, plugins, components, and tree-shaking. json file with Jun 14, 2025 · Bar Chart A bar chart provides a way of showing data values represented as vertical bars. js are rendered using the Canvas API, which doesn’t support HTML-style line breaks directly. Tooltip Configuration Namespace: options. In our flex box layout the tooltip is cut when it comes to close to left border of the charts parent container. Chart. I had my implementation working using v1, but recently just got into Bower and downloaded v2 using that. See full list on chartjs. 8. Jun 14, 2025 · Open source HTML5 Charts for your websiteExternal HTML Tooltip This sample shows how to use the external tooltip functionality to generate an HTML tooltip. js 2. html And also wrap the chart canvas in a div and make the div position as relative May 2, 2014 · How do I hide the x-axis label/text that is displayed in chart. global. Options can be configured for four different types of elements: arc, lines, points, and bars In addition to all the options / settings available, CanvasJS provides several Methods and Properties which allows you to directly access and interact programmatically with Chart Elements like Title, Axis, DataSeries, ToolTip, Legend, etc. js My current chart looks like this: My desired output should be displayed as follows: My code for the first chart is the following: var HTML preprocessors can make writing HTML more powerful or convenient. If you want to make your chart via script you need to follow the normal documentation. npoint. Jun 14, 2025 · {top, left, bottom, right} object If this value is an object, the left property defines the left padding. May 15, 2023 · Label Annotations Label annotations are used to add contents on the chart area. In addition, booleans are provided to toggle different parts of the X axis grid visibility. org/docs/latest/samples/tooltip/html. Omitted properties default to 0. Examples: toolTipContent can either be literal string or keywords. Apr 9, 2024 · Learn how to customize the tooltip in a chart drawn with chart. The same options can be set in the options. A quick and dirty fix could be to add some "padding" option to have room on the left and right of the canvas for the tooltips to be displayed. This affects the size of the chart as well and quite often it does not show the chart nicely. Canvas rendering makes Chart. By default, tooltips display information in a single line, but you can customize them to include line breaks for better readability or to present more complex data. js tooltips does not handle wrapped labels well. Please refer to ToolTip Element for complete list of properties available. js But here they used tooltip also for same cases to the text tweak inside of bars. js does not support the options postfix and hasIndicator, seems like your wrapper is styling the tooltip and taking those extra options and transforms the tooltip itself. Jun 14, 2025 · Line Chart A line chart is a way of plotting data points on a line. I have tried this code, but they never hide. By returning an array of strings in the label callback, you can easily format tooltip text with multiple lines. Right now the developers are discussion implementation options; the discussion can be found Allow wrapping in axis labels (issue on github). Jun 14, 2025 · Tooltip Tooltip Configuration Namespace: options. Examples include source code Jun 14, 2025 · Open source HTML5 Charts for your websiteGrid Configuration This sample shows how to use scriptable grid options for an axis to control styling. Our tooltipTitleCallback and tooltipLabelCallback functions will need to be modified depending on Jun 14, 2025 · This example shows how to create a custom HTML legend using a plugin and connect it to the chart in lieu of the default on-canvas legend. 4. In Chart js once the labels are getting to long it will impact the chart. Oct 28, 2014 · If you look closely at the English screenshot, you see that the 3's and 2's are still cut off. The issue I’m having is with the tooltip. x, you don't have as many possibilities as in the v2. Please take a look at the code snippet below. A number of options are provided to configure how the animation looks and how long it takes. js to display data values? I want to print the graph. They include many options like the colors, radius, width, text direction, alignment, and more. Feb 7, 2023 · How to truncate labels in Chartjs In this video we will explore how to add truncated labels in Chart js while keeping the full label intact in the tooltip. js offers a lot of flexibility, but some features, like adding line breaks, aren’t immediately obvious. Jun 18, 2022 · 0 So, I had some old charts code using a very old Chart. the text to be displayed as tool- Jun 14, 2025 · const config = { type: 'line', data: data, options: { responsive: true, plugins: { title: { display: true, text: (ctx) => 'Point Style: ' + ctx. X for my doughnuts charts because of the nice tooltips but they are unusable when moderately long because of this cut off. HTML5 JavaScript Charting Library with a Simple API. You can selectively show or hide a dataSeries in the Legend using showInLegend property of dataSeries. My tooltip only shows if I am exactly hovering the bar, or, if I remove the bars, exactly on the line point. Below is the structure of object passed as parameter to the function. Let's say you wanted to add 50px of padding to the left side of the chart canvas, you would do: Jun 14, 2025 · Tooltip Tooltip Configuration Namespace: options. 1 docs exactly how to work with the tooltip object. Thanks for any advice. Title Configuration Namespace: options. Viewing 2 posts - 1 through 2 (of 2 total) Tagged: chartjs I'm trying to show some data using a Line chart from Chart. It helped me to figure out how to change the tooltip title using a callback function. You can customize CanvasJS Charts using various options that are explained in this section. May 18, 2017 · I created a doughnut chart using Chart. data. c Depiction of various chart elements supported by CanvasJS including Title, Axis, Index Labels, Legend, Interlaced Colors, Grid Lines, ToolTip, etc. With this example I noticed that the tooltips do display with the above canvas si Nov 22, 2017 · I am trying to add tooltip in my chart, however some of them the label are being cut. com. ajax({ type: 'GET', url: "https://api. Here are some examples of using custom tooltips. Jun 14, 2025 · Chart. But the leftmost data point (the first data point) looks intact. In this article, we’ll look at how to create charts with Chart. To do this, you need to label the axis. May 3, 2017 · I would like to have a tooltip outside a scrolling container (when the tooltip is centered). tooltip. Don't hesitate to follow the links in the text. round(dataset. Mar 4, 2019 · Did you try external tooltip handler? chartjs. js does not offer this feature ? May 23, 2017 · Find solutions for resizing Chart. Thi Default Tooltip can be modified at dataSeries or dataPoint level. d. js that displays login data for my app correctly, however I have modified the chart so that the total number of logins is displayed in text in the center cutout: Apr 18, 2023 · Y axis labels are getting cut off on horizontal bar chart in Mobile view + ChartJS v4 Asked 2 years, 2 months ago Modified 1 year, 8 months ago Viewed 1k times Jun 12, 2013 · I am using html5 canvas element to draw a graph with dots denoting various points in here. Dec 2, 2015 · I chose chart. Jul 28, 2019 · 5 Draw a basic line chart using Chart. Anyone know what I am doing wrong, or what is wrong with tooltip? Thanks May 7, 2024 at 6:29 pm #45077 Manoj Mohan @greg-aharonian, JavaScript dates may display an incorrect day when passed in ISO format (YYYY-MM-DD), depending on the user’s time zone. js-based, charting libraries that render as SVG. x I'm updating a lot of code from the old charts on the website because a lot of the syntax changed between versions. I'm making a grid of 4 co Mar 30, 2022 · I have a widget that displays a donut chart for revenue data. js graph it is really apparent when the data points on the edge of the graph are cut off. Aug 24, 2021 · The reason the formatting is different is because chart. Default: auto set depending on chart type. js v1. js is a popular open-source JavaScript library. Similarly, the right, top and bottom properties can also be specified. After some research, I found that the solution was to return an Jun 14, 2025 · Tooltip Tooltip Configuration Namespace: options. Tooltips We can change the tooltips with the option. x. js issue with tooltip beeing cut, when exceeding the canvas. js for advanced formatting options. Nov 11, 2024 · This is where the Chart. Feb 22, 2019 · I want to change the width of the tooltip in Chart. Current Behavior The data point to the far right gets cropped off. &lt;script&gt; var options = { scaleFontColor: "#fa0" May 7, 2024 · The date in the tooltip box is off by one day. ToolTip can be customized with HTML or Text Content. However the tooltip always cuts off because the scrolling container has an overflow: auto attribute. Jul 25, 2024 · In this article, we will see the Tooltip Configuration in Chart. ts:2405 In StockChart, tooltip of multiple charts are synchronized with each other – which means, if you move/hover mouse on a chart, ToolTip will be shown for all the charts at corresponding x value. We Sep 17, 2024 · Tutorial on using Chart ToolTips, its Features & Various Customizations. Jun 14, 2025 · Labeling Axes When creating a chart, you want to tell the viewer what data they are viewing. datasets [0 Labels are used to indicate what a certain position on the axis means. I’ve changed the size of the data point circles by changing values of pointRadius. textDirection • textDirection: Scriptable <string, ScriptableTooltipContext <TType>> This will force the text direction 'rtl' or 'ltr on the canvas for rendering the tooltips, regardless of the css specified on the canvas Default canvas's default Defined in types/index. This customization can be achieved through various callback functions, allowing you to format the tooltip content with new axisX Object lets us set various Parameters of X Axis including interval, color, thickness, title, etc. This won't change your default 95px of height and width for your chart : var doughnutOptions = { // fullWidth: true, tooltipFontSize: 10 }; And will give this result. In this article, we will see the Tooltip Configuration in Chart. Examples toolTipContent can either be literal string or keywords. I guess you can do it every time the chart is updated (maybe using options. ts:2909 It seems like Chart. legend. Discover how to allow text selection and copying in Chart. One simple way to fix your problem is to edit the style of your tooltips in your options. Below are the different approaches to format If you don't pass tooltip options, there would be coreui-custom-tooltips by default. Jul 17, 2017 · @megharajdeepak the only way to achieve what you want is to use an HTML tooltip. js very performant, especially for large datasets and complex visualizations that would otherwise require thousands of SVG nodes in the DOM tree. Configuration options Namespace: options. Hi! Could you help me please how can I position the tooltip absolutely ? My chart width is less then the width of tooltip and its overflow, is it possible to somehow float it from chart canvas and position outside ? Apr 4, 2017 · I have a doughnut chart using Chart. scales[scaleId]. Tooltip configuration options are defined in the options. Jul 8, 2021 · I have the following snippet : function updateGraph(type, chart){ $. measureText-method used in the longestText-helper. Scale Title Configuration Namespace: options. x but now due to the need of some functions only found on versions 3. By doing this, we can control how each segment is displayed, preventing long labels from extending beyond the chart canvas. It helps to represent data in an easy-to-understand manner. Feb 7, 2022 · What type of charts can you make with Chart. The question is, can i make the text visible for each arc in the pie chart without hovering mouse? I don't use legends because some chart have a lot of When content is set to a custom formatter function, you can return any text/HTML to be displayed inside the toolTip. js draws tooltips on the canvas which is why you are seeing the behaviour you do. Aug 31, 2024 · Customizing tooltips in Chart. io/2700899037d8e83d5318", dataType: 'json', Oct 8, 2024 · A Line Chart which contain values at tooltips While working on a data scraping project, I came across a unique challenge: the information I needed was hidden inside a canvas-based line chart Mar 2, 2017 · I am working on chart. The problem I am having is that on two sides, the edges of the donut are cut off. For example, we can write:. But even in the smallest value, the data point still gets cut off. Aug 30, 2020 · Expected Behavior When I tap outside of a canvas tooltip should disappear, akin to what happens when I tap inside a canvas. plugins. Chartjs does support some out of the Nov 22, 2018 · I'm using AdminLTE and chart. The main problem is that the chart and other labels can be hidden by this reason. js version 2. Current Behavior Steps to Reproduce (for bugs) animation: { duration: 500, onProgress: function (animation) { var chartContext = this. The reason is that the tooltips hide under iFrame if they are too wide. The default behavior of Chart. js, along Feb 12, 2015 · It seems like Chart. Is there a way to prevent overflow of tooltip and add a scrollbar to scroll the data in tooltip? In case of Pie and Doughnut charts, an entry is created for each dataPoint and in rest of the chart types entries are created for each dataSeries. Setting hover 'mode' to null seems to override all the ways the canvas looks for matching elements to assign activated :hover classes to. title, the global options for the chart title is defined in Chart. data[index]), bar. . It is sometimes used to show trend data, and the comparison of multiple data sets side by side. What type of charts can you make with Chart. Jul 6, 2022 · As example, I have bar chart with some long labels on horizontal line. Tooltip is cutted, because it go out of canvas. js can't figure out which direction to show the tooltip because it can't detect the size of the tooltip element when it extends beyond the canvas. Sep 3, 2024 · The issue is that tooltips in Chart. Tooltip is always visible. Similarly, the options can be set in the options. content can either be HTML or text string. In this case, the Y axis grid lines are colored based on their value. They are often useful for comparing the points of two or more different data sets. Observe the rightmost data point is cut off. We can provide a function to build a HTML tooltip. Aug 30, 2017 · In the above picture you can see that some lines are being cut because of no scroll . x, bar. title, it defines options for the scale title. onComplete or a tooltip callback), and using the chart dimensions from the chart object Jun 14, 2025 · Tooltip Tooltip Configuration Namespace: options. js, addressing issues with long labels being cut off in iframes. Jul 26, 2015 · Is it possible using Chart. js (v2). For instance, Markdown is designed to be easier to write and read for text documents and you could write a loop in Pug. js ? Setting scaleShowLabels:false only removes the y-axis labels. Renders across devices & is 10x faster than SVG Charts. js provides a few options to enable responsiveness and control the resize behavior of charts by detecting when the canvas display size changes and update the render size accordingly. Events The following properties define how the chart interacts with Interface: Tooltip Hierarchy Plugin ↳ Tooltip Properties defaults • Optional defaults: Partial <AnyObject> Default options used in the plugin Inherited from Plugin. toolTipContent set at dataPoint will override toolTipContent set at dataSeries level. They are resolving the chart. So, is there a way to force the tooltip to stay inside the canvas? Jul 29, 2019 · Expected Behavior Line chart will be displayed in full from the first (left) to last (rightmost) data point. Is there any way to add scroll or CHART. 0. It seems as if it is out of bounds of the actual canvas. Apr 30, 2016 · I'm trying to hide the tooltips in a line chart using chart. Jul 25, 2024 · When a user hovers over a data point in Chart. Note that this only applies to cartesian axes. Jul 23, 2025 · Tooltips provide additional information when hovering over data points, but in some cases, you may want to turn them off for a cleaner and more focused chart presentation. This can be useful for describing values that are of interest. Dec 12, 2024 · Creating interactive charts is a great way to visualize data effectively, and the Canvas API in JavaScript provides powerful capabilities to do this. js for pie charts. By having access to this new HTML element, we have complete control to style and position the tooltip element. But you can change / set those values only via set method. parsed; const c = v < -50 ? '#D60000' : v < 0 ? '#F46300' : v < 50 How to Customize the Tooltip Data in Chart JSCustomizing the tooltip data in chart js will require some additional code. Jul 23, 2025 · Chart. Jun 14, 2025 · Open source HTML5 Charts for your websiteTitle The chart title defines text to draw at the top of the chart. I strongly believe the issue is related to the inaccuracy of the browser's context. js is watching all mousemove events on the canvas within which it has instantiated your chart. js through this example. js renders chart elements on an HTML5 canvas unlike several others, mostly D3. Writable Properties in ToolTip: All ToolTip options become available as properties after Chart Render. Jun 14, 2025 · Open source HTML5 Charts for your websiteCustom Tooltip Content This sample shows how to use the tooltip callbacks to add additional content to the tooltip. Mar 8, 2016 · Hi, I've noticed that with longer x-axis labels they will get cut when at smaller window sizes. 5. json file with Jun 14, 2025 · Canvas rendering Chart. Jun 9, 2021 · Problem When using a image for pointStyle in a Chart. About the tooltip getting cut off guess its somewhere else that it might go wrong Jun 14, 2025 · Animations Chart. js, tooltips are visual UI components that offer additional information about the data point. Adding 5% more width "solved" the issue for me, but this isn't a pretty fix. js. Learn the limitations of canvas rendering Default Tooltip can be modified at dataSeries or dataPoint level. By default, tooltips will show the label and value of the data point, but you may edit them to alter their appearance (styles) or to show different information depending on the user. Current behavior First long label contains all canvas Nov 16, 2020 · A solution for ChartJS 2. It looks like the chart is overflowing the canvas, bu Writable Properties in Chart: All Chart options become available as properties after Chart Render. Jan 24, 2022 · My chart y labels are cut off and by trying different solution found on stackoverflow like adding spaces in labels or setting layout padding did not solved the problem. js animates charts out of the box. content: String toolTip for entire chart can be set by adding content at toolTip object. Or similarly to what happens on the desktop when I move mouse away from a circle. The state is updated when a hover event is triggered. legend, the global options for the chart legend is defined in Chart. JS? With chart js you can make line chart, bar chart, pie chart, doughnut chart, scatter chart, polar area chart, radar chart, gauge chart and area chart. Update: Other possible way to "fix" the issue. js Tooltip Plugin becomes invaluable, allowing you to tailor tooltip behavior to meet your specific needs and deliver a more engaging, informative visualization experience. js 3. Index Labels can be used to display additional information about a Data Point. Aug 21, 2024 · Chart. Mar 12, 2020 · On a more long-term discussion, this feels like the custom tooltip workaround you linked should be the default behavior of chart. js canvas in HTML, including tips on responsiveness and container settings. This is unlikely to need to be changed in day-to-day use. kxfyeo lbfrqdb idw gbklpv hbgf yjphzul auvf ybfzj jph hnl